<header class="main-header " style="position: fixed;width: 100%" >

    <!-- Logo -->
    <a href="#" class="logo" style="background-color: #222d32;">
        <!-- mini logo for sidebar mini 50x50 pixels -->
        <span class="logo-mini">DBS</span>
        <!-- logo for regular state and mobile devices -->
        <span class="logo-lg">Open DBS</span>
    </a>

    <!-- Header Navbar: style can be found in header.less -->
    <nav class="navbar navbar-static-top" style="background-color: #222d32;">
        <!-- Sidebar toggle button-->
        <a href="#" class="sidebar-toggle" data-toggle="push-menu" role="button" style="background-color: #222d32;">
            <span class="sr-only">Toggle navigation</span>
        </a>
        <!-- Navbar Right Menu -->
        <div class="navbar-custom-menu">
            <ul class="nav navbar-nav">
                <!-- User Account: style can be found in dropdown.less -->
                <li class="dropdown user user-menu">
                    <a href="#" class="dropdown-toggle" data-toggle="dropdown">
                        <img src="/static/img/user2-160x160.jpg" class="user-image" alt="User Image">
                        <span class="hidden-xs">欢迎，游客游客游客</span>
                    </a>
                </li>
                <!-- Control Sidebar Toggle Button -->
            </ul>
        </div>

    </nav>
</header>